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BMJ Case Rep. 2010; 2010: bcr1220092594.
Published online Oct 6, 2010. doi:  10.1136/bcr.12.2009.2594
PMCID: PMC3029414
Reminder of important clinical lesson
Patent vitellointestinal duct
Sanwar Agrawal and Ameen Memon
Department of Pediatrics, Ekta Institute of Child Health, Raipur, India
Correspondence to Sanwar Agrawal, drsanwar50/at/gmail.com
Abstract
During the 3rd week of intrauterine life there is a communication between the intraembryonic gut and the yolk sac. As the development proceeds this communication narrows into a tube known as the vitellointestinal duct (VID). With the establishment of placental nutrition this duct usually becomes obliterated by the end of the 7th week of intrauterine life. In about 2% of humans this duct persists and gives rise to a group of anomalies of which Meckel's diverticulum is the commonest and complete patency of the duct is the rarest.
We report a case of a 4-month-old infant who presented with umbilical polyp, discharge from the umbilicus, significant dehydration and failure to thrive because of complete patency of the VID
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